package com.atguigu.designPattern03.day21strategy.demo;

/**
 * Create by koala on 2021-06-09
 */
public abstract class Duck {

    public Duck() {
    }

    public abstract void display();//显示鸭子信息

    public void quack() {
        System.out.println("鸭子嘎嘎叫~~");
    }

    public void swim() {
        System.out.println("鸭子会游泳~~");
    }

    public void fly() {
        System.out.println("鸭子会飞翔~~~");
    }

}